Pith Number

pith:2T23P3UW

pith:2013:2T23P3UWMOSIWZIYDHPW5T7GUV

not attested not anchored not stored refs pending

Progress toward a Soft X-ray Polarimeter

(2) Reflective X-ray Optics, (3) LBNL), Brian Remlinger (1), David L. Windt (2), Eric M. Gullikson (3) ((1) MIT, Eric S. Gentry (1), Herman L. Marshall (1), Norbert S. Schulz (1)

arxiv:1309.4478 v1 · 2013-09-17 · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2T23P3UWMOSIWZIYDHPW5T7GUV}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:47:36.185417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d4f5b7ee9663a48b651819df6ecfe6a55abfbda56e7d71f26e9433420e5a3429

Aliases

arxiv: 1309.4478 · arxiv_version: 1309.4478v1 · doi: 10.48550/arxiv.1309.4478 · pith_short_12: 2T23P3UWMOSI · pith_short_16: 2T23P3UWMOSIWZIY · pith_short_8: 2T23P3UW

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/2T23P3UWMOSIWZIYDHPW5T7GUV \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: d4f5b7ee9663a48b651819df6ecfe6a55abfbda56e7d71f26e9433420e5a3429

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af3bbcf7afa81f43fcec252c749aa2564a1391559ed258465b3da3a5e5a5149e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-09-17T20:33:53Z",
    "title_canon_sha256": "593904175a86df19c8b2795620dcfb2d75e6338c0a28171de173f8d7d194d163"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4478",
    "kind": "arxiv",
    "version": 1
  }
}